The Lifecycle of a star



rosette_lula_900.jpg
Nebula

A Nebula is a large cloud of gas and dust spread out in an immense volume.

Protostar_Herbig-Haro_46_47.jpg
Protostar

A Protostar is a contracting cloud of gas and dust with enough mass to form a star. It is the earliest stage in a stars life.

leoregulus_cook_900.jpg
Star

A star is a massive, luminous sphere of plasma held together by gravity.

the_boiling_sun.jpg
Red Giant

When a low-mass star runs out of fuel, it's core shrinks and outer portion expands, becoming a Red Giant.

Red-Supergiant-Star-1-1024wallpaper768.jpg
Supergiant

When a high-mass star runs out of fuel, it's core shrinks and outer portion expands, becoming a Supergiant.

egg.jpg
Planetary Nebula

When a Red Giant runs out of fuel, it does not explode, but instead slowly drifts apart, becoming a Planetary Nebula.

supernova-created-in-jar_30351_600x450.jpg
Supernova

A Supernova is a sudden, massive explosion of when a Supergiant runs out of fuel.

whitedwarf2.jpg
White Dwarf

The cool, blue-white core of a low-mass star thats left behind.

stars_black_dwarf.jpg
Black Dwarf

When a White Dwarf eventually stops glowing, it becomes a Black Dwarf.

xray_neutronstar.jpg
Neutron Star

Neutron Stars are the remains of high-mass stars. They are even smaller and denser than White Dwarfs.

BlackHole.jpg
Black Hole

An object with gravity so strong, that nothing, not even light, can escape from it. They are made from the remnants of Supernovas.